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-rw-r--r--Lib/test/test_select.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/Lib/test/test_select.py b/Lib/test/test_select.py
index fe92f45..4a13ade 100644
--- a/Lib/test/test_select.py
+++ b/Lib/test/test_select.py
@@ -20,6 +20,7 @@ class SelectTestCase(unittest.TestCase):
self.assertRaises(TypeError, select.select, [self.Nope()], [], [])
self.assertRaises(TypeError, select.select, [self.Almost()], [], [])
self.assertRaises(TypeError, select.select, [], [], [], "not a number")
+ self.assertRaises(ValueError, select.select, [], [], [], -1)
def test_returned_list_identity(self):
# See issue #8329